Kathleen Messman, CPNP-PC, RN
NPI 1659874907 · Pediatric Nurse Practitioner · Madison, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Messman, CPNP-PC, RN is a Pediatric Nurse Practitioner provider in Madison, WI (NPI 1659874907).
Provider details
- NPI number
- 1659874907
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CPNP-PC, RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- AP61372601 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-13
- Last updated
- 2025-05-29
- Certified
- 2025-05-29
Frequently asked questions
- What is Kathleen Messman's NPI number?
- Kathleen Messman's National Provider Identifier (NPI) is 1659874907, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Messman's specialty?
- Kathleen Messman is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathleen Messman located?
- Kathleen Messman's practice location on file with NPPES is 1675 Highland Ave, Madison, WI 53792-3901.
- What is Kathleen Messman's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Messman is (608) 915-0620.
- Does Kathleen Messman accept Medicare?
- Kathleen Messman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Messman's NPI active?
- Yes — Kathleen Messman's NPI (1659874907) is active in the NPPES registry as of the last update on 2025-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.